.news-nav {
    overflow: hidden;
}
.news-nav .left-nav {
    float: left;
    overflow: hidden;
}
.news-nav .left-nav li {
    float: left;
}
.news-nav .left-nav a {
    color: #767676;
}
.active {
    color: #668aca !important;
}
.news1 {
    width: 100%;
    overflow: hidden;
}
.news-img1 {
    width: 600px;
    height: 400px;
    background: url(../img/ed.png) no-repeat center;
    float: left;
}
.news-txt {
    float: right;
    
}
.news-txt .txt{
    margin-bottom: 69px;
} 
.news-txt .txt1 {
      
}
.txt-title {
    overflow: hidden;
    font-size: 18px;
    margin-bottom: 19px;
}
.txt-title .left {
    float: left;
}
.txt-title .right {
    float: right;
}
.txt p {
    font-size: 14px;
    line-height: 24px;
}
.mt {
    margin-top: 32px;
}